<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">运营平台</h3>
      <template v-if="isShowForm">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
            <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            size="large"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter="handleLogin"
          >
            <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <!--        <el-form-item prop="code" v-if="captchaEnabled">-->
        <!--          <el-input-->
        <!--            v-model="loginForm.code"-->
        <!--            size="large"-->
        <!--            auto-complete="off"-->
        <!--            placeholder="验证码"-->
        <!--            style="width: 63%"-->
        <!--            @keyup.enter="handleLogin"-->
        <!--          >-->
        <!--            <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>-->
        <!--          </el-input>-->
        <!--          <div class="login-code">-->
        <!--            <img :src="codeUrl" @click="getCode" class="login-code-img" />-->
        <!--          </div>-->
        <!--        </el-form-item>-->
        <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox>
        <el-form-item style="width: 100%">
          <el-button :loading="loading" size="large" type="primary" style="width: 100%" @click.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </template>
      <div v-else id="jigsaw-container"></div>
    </el-form>
  </div>
</template>

<script setup>
import { nextTick, ref, getCurrentInstance, watch } from "vue";
import { useRoute, useRouter } from "vue-router";
import { getCodeImg } from "@/api/login";
import jigsaw from "jigsaw-captcha-js";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";

const userStore = useUserStore();
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "admin",
  password: "admin123",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

watch(
  route,
  newRoute => {
    redirect.value = newRoute.query && newRoute.query.redirect;
  },
  { immediate: true }
);

const isShowForm = ref(true);

const slidingVerification = () => {
  jigsaw.init({
    el: document.getElementById("jigsaw-container"),
    // imgs: ["https://picsum.photos/200/300"], // 可选，默认为一张内置图片
    width: 310, // 可选, 默认310
    height: 155, // 可选, 默认155
    onSuccess: () => {
      proxy.$modal.msgSuccess("验证成功");
      isShowForm.value = true;
      login();
    },
    onFail: () => {
      proxy.$modal.msgError("失败");
    },
    onRefresh: () => {}
  });
};
const login = () => {
  loading.value = true;
  // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
  if (loginForm.value.rememberMe) {
    Cookies.set("username", loginForm.value.username, { expires: 30 });
    Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
    Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
  } else {
    // 否则移除
    Cookies.remove("username");
    Cookies.remove("password");
    Cookies.remove("rememberMe");
  }
  // 调用action的登录方法
  userStore
    .login(loginForm.value)
    .then(() => {
      loading.value = false;
      const query = route.query;
      const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
        if (cur !== "redirect") {
          acc[cur] = query[cur];
        }
        return acc;
      }, {});
      router.push({ path: redirect.value || "/", query: otherQueryParams });
    })
    .catch(() => {
      loading.value = false;
    });
};
const handleLogin = () => {
  proxy.$refs.loginRef.validate(async valid => {
    if (valid) {
      isShowForm.value = false;
      await nextTick();
      slidingVerification();
    }
  });
};

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined || res.captchaEnabled === null ? false : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

// getCode();
getCookie();
</script>

<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0 auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #fff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}

#jigsaw-container {
  padding-bottom: 20px;
}
</style>
